the first part of the intro is based around the chords Emajadd13 and A6, with various embelishments using E ionian. The second portion involves the use of the 6 chord being moved to various positions on the fretboard. Here the key becomes a little ambigious, B6 D6 G6 Bb6 and A6 all not sitting well in the same key. Not to worry this kind of theoretically incorrect writing is common in blues, the best rule of theory is IMO, if it sounds good keep it in. the use of 6 chords is interesting as blues is usually based around dominant seventh chords, they really add that extra jazzy twinge. Most if not all of the vibrato is added by the arm, i have my trem set quite tight so i found it hard to get the variation in pitch SRV managed, hopefully it gets the point across. Another important point is the sound of the guitar, unmistakenly a strat with neck pickup selected, it sounds beautiful in the record, hope i got close. When playing try to lay back and play behind the beat, its difficult to describe but essential to achieve that bluesy relaxed feel. FYI Lenny is actually the name of SRV favourite strat, and this track was dedicated to it. Heres my attempt as with the original i tuned down half a step.

Yeah as i said i play some of the voicings differently to, that tab isnt how i play the song, its just the tab i got from UG, but it was the best compromise i could find on the net, i dislike the tab you found even more, just my opinion though.

i loved the sound of that beat, the A6 sounds almost magical... great sound, very relaxing.... nice phrasing, my fav touch was the hammer-on double stops, something used by Brian May too, but differently of course.....

well recorded too... although the tone somewhat lacked the traditional neck bass-ness for me

very cool riff,even though its far from my style of playing, its something i can appreciate nonetheless.